diff options
author | Nico Weber <thakis@chromium.org> | 2015-08-04 13:00:21 -0700 |
---|---|---|
committer | Nico Weber <thakis@chromium.org> | 2015-08-04 13:00:21 -0700 |
commit | 9d8ec5a6e37e8d1d4d4edca9040de234e2d4728f (patch) | |
tree | c97037f398d714665aefccb6eb54d0969ad7030c /core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp | |
parent | 780cee82236d1b3b0f9b01a22424e4b8ec9a6f12 (diff) | |
download | pdfium-9d8ec5a6e37e8d1d4d4edca9040de234e2d4728f.tar.xz |
XFA: clang-format all pdfium code.
No behavior change.
Generated by:
find . -name '*.cpp' -o -name '*.h' | \
grep -E -v 'third_party|thirdparties|lpng_v163|tiff_v403' | \
xargs ../../buildtools/mac/clang-format -i
Then manually merged https://codereview.chromium.org/1269223002/
See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion.
BUG=none
Diffstat (limited to 'core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp')
-rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp | 1694 |
1 files changed, 854 insertions, 840 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp index c961f8b20f..87ff0a3b63 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp @@ -13,893 +13,907 @@ #include "pageint.h" class CPDF_PSEngine; -typedef enum {PSOP_ADD, PSOP_SUB, PSOP_MUL, PSOP_DIV, PSOP_IDIV, PSOP_MOD, - PSOP_NEG, PSOP_ABS, PSOP_CEILING, PSOP_FLOOR, PSOP_ROUND, PSOP_TRUNCATE, - PSOP_SQRT, PSOP_SIN, PSOP_COS, PSOP_ATAN, PSOP_EXP, PSOP_LN, PSOP_LOG, - PSOP_CVI, PSOP_CVR, PSOP_EQ, PSOP_NE, PSOP_GT, PSOP_GE, PSOP_LT, PSOP_LE, - PSOP_AND, PSOP_OR, PSOP_XOR, PSOP_NOT, PSOP_BITSHIFT, PSOP_TRUE, PSOP_FALSE, - PSOP_IF, PSOP_IFELSE, PSOP_POP, PSOP_EXCH, PSOP_DUP, PSOP_COPY, - PSOP_INDEX, PSOP_ROLL, PSOP_PROC, PSOP_CONST - } PDF_PSOP; -class CPDF_PSProc -{ -public: - ~CPDF_PSProc(); - FX_BOOL Parse(CPDF_SimpleParser& parser); - FX_BOOL Execute(CPDF_PSEngine* pEngine); - CFX_PtrArray m_Operators; +typedef enum { + PSOP_ADD, + PSOP_SUB, + PSOP_MUL, + PSOP_DIV, + PSOP_IDIV, + PSOP_MOD, + PSOP_NEG, + PSOP_ABS, + PSOP_CEILING, + PSOP_FLOOR, + PSOP_ROUND, + PSOP_TRUNCATE, + PSOP_SQRT, + PSOP_SIN, + PSOP_COS, + PSOP_ATAN, + PSOP_EXP, + PSOP_LN, + PSOP_LOG, + PSOP_CVI, + PSOP_CVR, + PSOP_EQ, + PSOP_NE, + PSOP_GT, + PSOP_GE, + PSOP_LT, + PSOP_LE, + PSOP_AND, + PSOP_OR, + PSOP_XOR, + PSOP_NOT, + PSOP_BITSHIFT, + PSOP_TRUE, + PSOP_FALSE, + PSOP_IF, + PSOP_IFELSE, + PSOP_POP, + PSOP_EXCH, + PSOP_DUP, + PSOP_COPY, + PSOP_INDEX, + PSOP_ROLL, + PSOP_PROC, + PSOP_CONST +} PDF_PSOP; +class CPDF_PSProc { + public: + ~CPDF_PSProc(); + FX_BOOL Parse(CPDF_SimpleParser& parser); + FX_BOOL Execute(CPDF_PSEngine* pEngine); + CFX_PtrArray m_Operators; }; #define PSENGINE_STACKSIZE 100 -class CPDF_PSEngine -{ -public: - CPDF_PSEngine(); - ~CPDF_PSEngine(); - FX_BOOL Parse(const FX_CHAR* string, int size); - FX_BOOL Execute() - { - return m_MainProc.Execute(this); - } - FX_BOOL DoOperator(PDF_PSOP op); - void Reset() - { - m_StackCount = 0; - } - void Push(FX_FLOAT value); - void Push(int value) - { - Push((FX_FLOAT)value); - } - FX_FLOAT Pop(); - int GetStackSize() - { - return m_StackCount; - } -private: - FX_FLOAT m_Stack[PSENGINE_STACKSIZE]; - int m_StackCount; - CPDF_PSProc m_MainProc; +class CPDF_PSEngine { + public: + CPDF_PSEngine(); + ~CPDF_PSEngine(); + FX_BOOL Parse(const FX_CHAR* string, int size); + FX_BOOL Execute() { return m_MainProc.Execute(this); } + FX_BOOL DoOperator(PDF_PSOP op); + void Reset() { m_StackCount = 0; } + void Push(FX_FLOAT value); + void Push(int value) { Push((FX_FLOAT)value); } + FX_FLOAT Pop(); + int GetStackSize() { return m_StackCount; } + + private: + FX_FLOAT m_Stack[PSENGINE_STACKSIZE]; + int m_StackCount; + CPDF_PSProc m_MainProc; }; -CPDF_PSProc::~CPDF_PSProc() -{ - int size = m_Operators.GetSize(); - for (int i = 0; i < size; i ++) { - if (m_Operators[i] == (void*)PSOP_PROC) { - delete (CPDF_PSProc*)m_Operators[i + 1]; - i ++; - } else if (m_Operators[i] == (void*)PSOP_CONST) { - FX_Free((FX_FLOAT*)m_Operators[i + 1]); - i ++; - } - } +CPDF_PSProc::~CPDF_PSProc() { + int size = m_Operators.GetSize(); + for (int i = 0; i < size; i++) { + if (m_Operators[i] == (void*)PSOP_PROC) { + delete (CPDF_PSProc*)m_Operators[i + 1]; + i++; + } else if (m_Operators[i] == (void*)PSOP_CONST) { + FX_Free((FX_FLOAT*)m_Operators[i + 1]); + i++; + } + } } -FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) -{ - int size = m_Operators.GetSize(); - for (int i = 0; i < size; i ++) { - PDF_PSOP op = (PDF_PSOP)(uintptr_t)m_Operators[i]; - if (op == PSOP_PROC) { - i ++; - } else if (op == PSOP_CONST) { - pEngine->Push(*(FX_FLOAT*)m_Operators[i + 1]); - i ++; - } else if (op == PSOP_IF) { - if (i < 2 || m_Operators[i - 2] != (void*)PSOP_PROC) { - return FALSE; - } - if ((int)pEngine->Pop()) { - ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine); - } - } else if (op == PSOP_IFELSE) { - if (i < 4 || m_Operators[i - 2] != (void*)PSOP_PROC || - m_Operators[i - 4] != (void*)PSOP_PROC) { - return FALSE; - } - if ((int)pEngine->Pop()) { - ((CPDF_PSProc*)m_Operators[i - 3])->Execute(pEngine); - } else { - ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine); - } - } else { - pEngine->DoOperator(op); - } +FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) { + int size = m_Operators.GetSize(); + for (int i = 0; i < size; i++) { + PDF_PSOP op = (PDF_PSOP)(uintptr_t)m_Operators[i]; + if (op == PSOP_PROC) { + i++; + } else if (op == PSOP_CONST) { + pEngine->Push(*(FX_FLOAT*)m_Operators[i + 1]); + i++; + } else if (op == PSOP_IF) { + if (i < 2 || m_Operators[i - 2] != (void*)PSOP_PROC) { + return FALSE; + } + if ((int)pEngine->Pop()) { + ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine); + } + } else if (op == PSOP_IFELSE) { + if (i < 4 || m_Operators[i - 2] != (void*)PSOP_PROC || + m_Operators[i - 4] != (void*)PSOP_PROC) { + return FALSE; + } + if ((int)pEngine->Pop()) { + ((CPDF_PSProc*)m_Operators[i - 3])->Execute(pEngine); + } else { + ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine); + } + } else { + pEngine->DoOperator(op); } - return TRUE; -} -CPDF_PSEngine::CPDF_PSEngine() -{ - m_StackCount = 0; + } + return TRUE; } -CPDF_PSEngine::~CPDF_PSEngine() -{ +CPDF_PSEngine::CPDF_PSEngine() { + m_StackCount = 0; } -void CPDF_PSEngine::Push(FX_FLOAT v) -{ - if (m_StackCount == 100) { - return; - } - m_Stack[m_StackCount++] = v; +CPDF_PSEngine::~CPDF_PSEngine() {} +void CPDF_PSEngine::Push(FX_FLOAT v) { + if (m_StackCount == 100) { + return; + } + m_Stack[m_StackCount++] = v; } -FX_FLOAT CPDF_PSEngine::Pop() -{ - if (m_StackCount == 0) { - return 0; - } - return m_Stack[--m_StackCount]; +FX_FLOAT CPDF_PSEngine::Pop() { + if (m_StackCount == 0) { + return 0; + } + return m_Stack[--m_StackCount]; } const struct _PDF_PSOpName { - const FX_CHAR* name; - PDF_PSOP op; -} _PDF_PSOpNames[] = { - {"add", PSOP_ADD}, {"sub", PSOP_SUB}, {"mul", PSOP_MUL}, {"div", PSOP_DIV}, - {"idiv", PSOP_IDIV}, {"mod", PSOP_MOD}, {"neg", PSOP_NEG}, {"abs", PSOP_ABS}, - {"ceiling", PSOP_CEILING}, {"floor", PSOP_FLOOR}, {"round", PSOP_ROUND}, - {"truncate", PSOP_TRUNCATE}, {"sqrt", PSOP_SQRT}, {"sin", PSOP_SIN}, - {"cos", PSOP_COS}, {"atan", PSOP_ATAN}, {"exp", PSOP_EXP}, {"ln", PSOP_LN}, - {"log", PSOP_LOG}, {"cvi", PSOP_CVI}, {"cvr", PSOP_CVR}, {"eq", PSOP_EQ}, - {"ne", PSOP_NE}, {"gt", PSOP_GT}, {"ge", PSOP_GE}, {"lt", PSOP_LT}, - {"le", PSOP_LE}, {"and", PSOP_AND}, {"or", PSOP_OR}, {"xor", PSOP_XOR}, - {"not", PSOP_NOT}, {"bitshift", PSOP_BITSHIFT}, {"true", PSOP_TRUE}, - {"false", PSOP_FALSE}, {"if", PSOP_IF}, {"ifelse", PSOP_IFELSE}, - {"pop", PSOP_POP}, {"exch", PSOP_EXCH}, {"dup", PSOP_DUP}, - {"copy", PSOP_COPY}, {"index", PSOP_INDEX}, {"roll", PSOP_ROLL}, - {NULL, PSOP_PROC} -}; -FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* string, int size) -{ - CPDF_SimpleParser parser((uint8_t*)string, size); + const FX_CHAR* name; + PDF_PSOP op; +} _PDF_PSOpNames[] = {{"add", PSOP_ADD}, {"sub", PSOP_SUB}, + {"mul", PSOP_MUL}, {"div", PSOP_DIV}, + {"idiv", PSOP_IDIV}, {"mod", PSOP_MOD}, + {"neg", PSOP_NEG}, {"abs", PSOP_ABS}, + {"ceiling", PSOP_CEILING}, {"floor", PSOP_FLOOR}, + {"round", PSOP_ROUND}, {"truncate", PSOP_TRUNCATE}, + {"sqrt", PSOP_SQRT}, {"sin", PSOP_SIN}, + {"cos", PSOP_COS}, {"atan", PSOP_ATAN}, + {"exp", PSOP_EXP}, {"ln", PSOP_LN}, + {"log", PSOP_LOG}, {"cvi", PSOP_CVI}, + {"cvr", PSOP_CVR}, {"eq", PSOP_EQ}, + {"ne", PSOP_NE}, {"gt", PSOP_GT}, + {"ge", PSOP_GE}, {"lt", PSOP_LT}, + {"le", PSOP_LE}, {"and", PSOP_AND}, + {"or", PSOP_OR}, {"xor", PSOP_XOR}, + {"not", PSOP_NOT}, {"bitshift", PSOP_BITSHIFT}, + {"true", PSOP_TRUE}, {"false", PSOP_FALSE}, + {"if", PSOP_IF}, {"ifelse", PSOP_IFELSE}, + {"pop", PSOP_POP}, {"exch", PSOP_EXCH}, + {"dup", PSOP_DUP}, {"copy", PSOP_COPY}, + {"index", PSOP_INDEX}, {"roll", PSOP_ROLL}, + {NULL, PSOP_PROC}}; +FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* string, int size) { + CPDF_SimpleParser parser((uint8_t*)string, size); + CFX_ByteStringC word = parser.GetWord(); + if (word != FX_BSTRC("{")) { + return FALSE; + } + return m_MainProc.Parse(parser); +} +FX_BOOL CPDF_PSProc::Parse(CPDF_SimpleParser& parser) { + while (1) { CFX_ByteStringC word = parser.GetWord(); - if (word != FX_BSTRC("{")) { - return FALSE; + if (word.IsEmpty()) { + return FALSE; } - return m_MainProc.Parse(parser); -} -FX_BOOL CPDF_PSProc::Parse(CPDF_SimpleParser& parser) -{ - while (1) { - CFX_ByteStringC word = parser.GetWord(); - if (word.IsEmpty()) { - return FALSE; - } - if (word == FX_BSTRC("}")) { - return TRUE; - } - if (word == FX_BSTRC("{")) { - CPDF_PSProc* pProc = new CPDF_PSProc; - m_Operators.Add((void*)PSOP_PROC); - m_Operators.Add(pProc); - if (!pProc->Parse(parser)) { - return FALSE; - } - } else { - int i = 0; - while (_PDF_PSOpNames[i].name) { - if (word == CFX_ByteStringC(_PDF_PSOpNames[i].name)) { - m_Operators.Add((void*)_PDF_PSOpNames[i].op); - break; - } - i ++; - } - if (_PDF_PSOpNames[i].name == NULL) { - FX_FLOAT* pd = FX_Alloc(FX_FLOAT, 1); - *pd = FX_atof(word); - m_Operators.Add((void*)PSOP_CONST); - m_Operators.Add(pd); - } - } + if (word == FX_BSTRC("}")) { + return TRUE; } + if (word == FX_BSTRC("{")) { + CPDF_PSProc* pProc = new CPDF_PSProc; + m_Operators.Add((void*)PSOP_PROC); + m_Operators.Add(pProc); + if (!pProc->Parse(parser)) { + return FALSE; + } + } else { + int i = 0; + while (_PDF_PSOpNames[i].name) { + if (word == CFX_ByteStringC(_PDF_PSOpNames[i].name)) { + m_Operators.Add((void*)_PDF_PSOpNames[i].op); + break; + } + i++; + } + if (_PDF_PSOpNames[i].name == NULL) { + FX_FLOAT* pd = FX_Alloc(FX_FLOAT, 1); + *pd = FX_atof(word); + m_Operators.Add((void*)PSOP_CONST); + m_Operators.Add(pd); + } + } + } } #define PI 3.1415926535897932384626433832795f -FX_BOOL CPDF_PSEngine::DoOperator(PDF_PSOP op) -{ - int i1, i2; - FX_FLOAT d1, d2; - switch (op) { - case PSOP_ADD: - d1 = Pop(); - d2 = Pop(); - Push(d1 + d2); - break; - case PSOP_SUB: - d2 = Pop(); - d1 = Pop(); - Push(d1 - d2); - break; - case PSOP_MUL: - d1 = Pop(); - d2 = Pop(); - Push(d1 * d2); - break; - case PSOP_DIV: - d2 = Pop(); - d1 = Pop(); - Push(d1 / d2); - break; - case PSOP_IDIV: - i2 = (int)Pop(); - i1 = (int)Pop(); - Push(i1 / i2); - break; - case PSOP_MOD: - i2 = (int)Pop(); - i1 = (int)Pop(); - Push(i1 % i2); - break; - case PSOP_NEG: - d1 = Pop(); - Push(-d1); - break; - case PSOP_ABS: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_fabs(d1)); - break; - case PSOP_CEILING: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_ceil(d1)); - break; - case PSOP_FLOOR: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_floor(d1)); - break; - case PSOP_ROUND: - d1 = Pop(); - Push(FXSYS_round(d1)); - break; - case PSOP_TRUNCATE: - i1 = (int)Pop(); - Push(i1); - break; - case PSOP_SQRT: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_sqrt(d1)); - break; - case PSOP_SIN: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_sin(d1 * PI / 180.0f)); - break; - case PSOP_COS: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_cos(d1 * PI / 180.0f)); - break; - case PSOP_ATAN: - d2 = Pop(); - d1 = Pop(); - d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / PI); - if (d1 < 0) { - d1 += 360; - } - Push(d1); - break; - case PSOP_EXP: - d2 = Pop(); - d1 = Pop(); - Push((FX_FLOAT)FXSYS_pow(d1, d2)); - break; - case PSOP_LN: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_log(d1)); - break; - case PSOP_LOG: - d1 = Pop(); - Push((FX_FLOAT)FXSYS_log10(d1)); - break; - case PSOP_CVI: - i1 = (int)Pop(); - Push(i1); - break; - case PSOP_CVR: - break; - case PSOP_EQ: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 == d2)); - break; - case PSOP_NE: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 != d2)); - break; - case PSOP_GT: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 > d2)); - break; - case PSOP_GE: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 >= d2)); - break; - case PSOP_LT: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 < d2)); - break; - case PSOP_LE: - d2 = Pop(); - d1 = Pop(); - Push((int)(d1 <= d2)); - break; - case PSOP_AND: - i1 = (int)Pop(); - i2 = (int)Pop(); - Push(i1 & i2); - break; - case PSOP_OR: - i1 = (int)Pop(); - i2 = (int)Pop(); - Push(i1 | i2); - break; - case PSOP_XOR: - i1 = (int)Pop(); - i2 = (int)Pop(); - Push(i1 ^ i2); - break; - case PSOP_NOT: - i1 = (int)Pop(); - Push((int)!i1); - break; - case PSOP_BITSHIFT: { - int shift = (int)Pop(); - int i = (int)Pop(); - if (shift > 0) { - Push(i << shift); - } else { - Push(i >> -shift); - } - break; - } - case PSOP_TRUE: - Push(1); - break; - case PSOP_FALSE: - Push(0); - break; - case PSOP_POP: - Pop(); - break; - case PSOP_EXCH: - d2 = Pop(); - d1 = Pop(); - Push(d2); - Push(d1); - break; - case PSOP_DUP: - d1 = Pop(); - Push(d1); - Push(d1); - break; - case PSOP_COPY: { - int n = (int)Pop(); - if (n < 0 || n > PSENGINE_STACKSIZE || m_StackCount + n > PSENGINE_STACKSIZE || n > m_StackCount) { - break; - } - for (int i = 0; i < n; i ++) { - m_Stack[m_StackCount + i] = m_Stack[m_StackCount + i - n]; - } - m_StackCount += n; - break; - } - case PSOP_INDEX: { - int n = (int)Pop(); - if (n < 0 || n >= m_StackCount) { - break; - } - Push(m_Stack[m_StackCount - n - 1]); - break; - } - case PSOP_ROLL: { - int j = (int)Pop(); - int n = (int)Pop(); - if (m_StackCount == 0) { - break; - } - if (n < 0 || n > m_StackCount) { - break; - } - if (j < 0) - for (int i = 0; i < -j; i ++) { - FX_FLOAT first = m_Stack[m_StackCount - n]; - for (int ii = 0; ii < n - 1; ii ++) { - m_Stack[m_StackCount - n + ii] = m_Stack[m_StackCount - n + ii + 1]; - } - m_Stack[m_StackCount - 1] = first; - } - else - for (int i = 0; i < j; i ++) { - FX_FLOAT last = m_Stack[m_StackCount - 1]; - int ii; - for (ii = 0; ii < n - 1; ii ++) { - m_Stack[m_StackCount - ii - 1] = m_Stack[m_StackCount - ii - 2]; - } - m_Stack[m_StackCount - ii - 1] = last; - } - break; - } - default: - break; +FX_BOOL CPDF_PSEngine::DoOperator(PDF_PSOP op) { + int i1, i2; + FX_FLOAT d1, d2; + switch (op) { + case PSOP_ADD: + d1 = Pop(); + d2 = Pop(); + Push(d1 + d2); + break; + case PSOP_SUB: + d2 = Pop(); + d1 = Pop(); + Push(d1 - d2); + break; + case PSOP_MUL: + d1 = Pop(); + d2 = Pop(); + Push(d1 * d2); + break; + case PSOP_DIV: + d2 = Pop(); + d1 = Pop(); + Push(d1 / d2); + break; + case PSOP_IDIV: + i2 = (int)Pop(); + i1 = (int)Pop(); + Push(i1 / i2); + break; + case PSOP_MOD: + i2 = (int)Pop(); + i1 = (int)Pop(); + Push(i1 % i2); + break; + case PSOP_NEG: + d1 = Pop(); + Push(-d1); + break; + case PSOP_ABS: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_fabs(d1)); + break; + case PSOP_CEILING: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_ceil(d1)); + break; + case PSOP_FLOOR: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_floor(d1)); + break; + case PSOP_ROUND: + d1 = Pop(); + Push(FXSYS_round(d1)); + break; + case PSOP_TRUNCATE: + i1 = (int)Pop(); + Push(i1); + break; + case PSOP_SQRT: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_sqrt(d1)); + break; + case PSOP_SIN: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_sin(d1 * PI / 180.0f)); + break; + case PSOP_COS: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_cos(d1 * PI / 180.0f)); + break; + case PSOP_ATAN: + d2 = Pop(); + d1 = Pop(); + d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / PI); + if (d1 < 0) { + d1 += 360; + } + Push(d1); + break; + case PSOP_EXP: + d2 = Pop(); + d1 = Pop(); + Push((FX_FLOAT)FXSYS_pow(d1, d2)); + break; + case PSOP_LN: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_log(d1)); + break; + case PSOP_LOG: + d1 = Pop(); + Push((FX_FLOAT)FXSYS_log10(d1)); + break; + case PSOP_CVI: + i1 = (int)Pop(); + Push(i1); + break; + case PSOP_CVR: + break; + case PSOP_EQ: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 == d2)); + break; + case PSOP_NE: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 != d2)); + break; + case PSOP_GT: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 > d2)); + break; + case PSOP_GE: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 >= d2)); + break; + case PSOP_LT: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 < d2)); + break; + case PSOP_LE: + d2 = Pop(); + d1 = Pop(); + Push((int)(d1 <= d2)); + break; + case PSOP_AND: + i1 = (int)Pop(); + i2 = (int)Pop(); + Push(i1 & i2); + break; + case PSOP_OR: + i1 = (int)Pop(); + i2 = (int)Pop(); + Push(i1 | i2); + break; + case PSOP_XOR: + i1 = (int)Pop(); + i2 = (int)Pop(); + Push(i1 ^ i2); + break; + case PSOP_NOT: + i1 = (int)Pop(); + Push((int)!i1); + break; + case PSOP_BITSHIFT: { + int shift = (int)Pop(); + int i = (int)Pop(); + if (shift > 0) { + Push(i << shift); + } else { + Push(i >> -shift); + } + break; + } + case PSOP_TRUE: + Push(1); + break; + case PSOP_FALSE: + Push(0); + break; + case PSOP_POP: + Pop(); + break; + case PSOP_EXCH: + d2 = Pop(); + d1 = Pop(); + Push(d2); + Push(d1); + break; + case PSOP_DUP: + d1 = Pop(); + Push(d1); + Push(d1); + break; + case PSOP_COPY: { + int n = (int)Pop(); + if (n < 0 || n > PSENGINE_STACKSIZE || + m_StackCount + n > PSENGINE_STACKSIZE || n > m_StackCount) { + break; + } + for (int i = 0; i < n; i++) { + m_Stack[m_StackCount + i] = m_Stack[m_StackCount + i - n]; + } + m_StackCount += n; + break; + } + case PSOP_INDEX: { + int n = (int)Pop(); + if (n < 0 || n >= m_StackCount) { + break; + } + Push(m_Stack[m_StackCount - n - 1]); + break; + } + case PSOP_ROLL: { + int j = (int)Pop(); + int n = (int)Pop(); + if (m_StackCount == 0) { + break; + } + if (n < 0 || n > m_StackCount) { + break; + } + if (j < 0) + for (int i = 0; i < -j; i++) { + FX_FLOAT first = m_Stack[m_StackCount - n]; + for (int ii = 0; ii < n - 1; ii++) { + m_Stack[m_StackCount - n + ii] = m_Stack[m_StackCount - n + ii + 1]; + } + m_Stack[m_StackCount - 1] = first; + } + else + for (int i = 0; i < j; i++) { + FX_FLOAT last = m_Stack[m_StackCount - 1]; + int ii; + for (ii = 0; ii < n - 1; ii++) { + m_Stack[m_StackCount - ii - 1] = m_Stack[m_StackCount - ii - 2]; + } + m_Stack[m_StackCount - ii - 1] = last; + } + break; } - return TRUE; + default: + break; + } + return TRUE; } -static FX_FLOAT PDF_Interpolate(FX_FLOAT x, FX_FLOAT xmin, FX_FLOAT xmax, FX_FLOAT ymin, FX_FLOAT ymax) -{ - return ((x - xmin) * (ymax - ymin) / (xmax - xmin)) + ymin; +static FX_FLOAT PDF_Interpolate(FX_FLOAT x, + FX_FLOAT xmin, + FX_FLOAT xmax, + FX_FLOAT ymin, + FX_FLOAT ymax) { + return ((x - xmin) * (ymax - ymin) / (xmax - xmin)) + ymin; } -static FX_DWORD _GetBits32(const uint8_t* pData, int bitpos, int nbits) -{ - int result = 0; - for (int i = 0; i < nbits; i ++) - if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8))) { - result |= 1 << (nbits - i - 1); - } - return result; +static FX_DWORD _GetBits32(const uint8_t* pData, int bitpos, int nbits) { + int result = 0; + for (int i = 0; i < nbits; i++) + if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8))) { + result |= 1 << (nbits - i - 1); + } + return result; } typedef struct { - FX_FLOAT encode_max, encode_min; - int sizes; + FX_FLOAT encode_max, encode_min; + int sizes; } SampleEncodeInfo; -typedef struct { - FX_FLOAT decode_max, decode_min; -} SampleDecodeInfo; -class CPDF_SampledFunc : public CPDF_Function -{ -public: - CPDF_SampledFunc(); - virtual ~CPDF_SampledFunc(); - virtual FX_BOOL v_Init(CPDF_Object* pObj); - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; - SampleEncodeInfo* m_pEncodeInfo; - SampleDecodeInfo* m_pDecodeInfo; - FX_DWORD m_nBitsPerSample; - FX_DWORD m_SampleMax; - CPDF_StreamAcc* m_pSampleStream; +typedef struct { FX_FLOAT decode_max, decode_min; } SampleDecodeInfo; +class CPDF_SampledFunc : public CPDF_Function { + public: + CPDF_SampledFunc(); + virtual ~CPDF_SampledFunc(); + virtual FX_BOOL v_Init(CPDF_Object* pObj); + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; + SampleEncodeInfo* m_pEncodeInfo; + SampleDecodeInfo* m_pDecodeInfo; + FX_DWORD m_nBitsPerSample; + FX_DWORD m_SampleMax; + CPDF_StreamAcc* m_pSampleStream; }; -CPDF_SampledFunc::CPDF_SampledFunc() -{ - m_pSampleStream = NULL; - m_pEncodeInfo = NULL; - m_pDecodeInfo = NULL; +CPDF_SampledFunc::CPDF_SampledFunc() { + m_pSampleStream = NULL; + m_pEncodeInfo = NULL; + m_pDecodeInfo = NULL; } -CPDF_SampledFunc::~CPDF_SampledFunc() -{ - delete m_pSampleStream; - if (m_pEncodeInfo) { - FX_Free(m_pEncodeInfo); - } - if (m_pDecodeInfo) { - FX_Free(m_pDecodeInfo); - } +CPDF_SampledFunc::~CPDF_SampledFunc() { + delete m_pSampleStream; + if (m_pEncodeInfo) { + FX_Free(m_pEncodeInfo); + } + if (m_pDecodeInfo) { + FX_Free(m_pDecodeInfo); + } } -FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj) -{ - if (pObj->GetType() != PDFOBJ_STREAM) { - return FALSE; - } - CPDF_Stream* pStream = (CPDF_Stream*)pObj; - CPDF_Dictionary* pDict = pStream->GetDict(); - CPDF_Array* pSize = pDict->GetArray(FX_BSTRC("Size")); - CPDF_Array* pEncode = pDict->GetArray(FX_BSTRC("Encode")); - CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode")); - m_nBitsPerSample = pDict->GetInteger(FX_BSTRC("BitsPerSample")); - if (m_nBitsPerSample > 32) { - return FALSE; - } - m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample); - m_pSampleStream = new CPDF_StreamAcc; - m_pSampleStream->LoadAllData(pStream, FALSE); - m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs); - FX_SAFE_DWORD nTotalSampleBits = 1; - for (int i = 0; i < m_nInputs; i ++) { - m_pEncodeInfo[i].sizes = pSize ? pSize->GetInteger(i) : 0; - if (!pSize && i == 0) { - m_pEncodeInfo[i].sizes = pDict->GetInteger(FX_BSTRC("Size")); - } - nTotalSampleBits *= m_pEncodeInfo[i].sizes; - if (pEncode) { - m_pEncodeInfo[i].encode_min = pEncode->GetFloat(i * 2); - m_pEncodeInfo[i].encode_max = pEncode->GetFloat(i * 2 + 1); - } else { - m_pEncodeInfo[i].encode_min = 0; - if (m_pEncodeInfo[i].sizes == 1) { - m_pEncodeInfo[i].encode_max = 1; - } else { - m_pEncodeInfo[i].encode_max = (FX_FLOAT)m_pEncodeInfo[i].sizes - 1; - } - } - } - nTotalSampleBits *= m_nBitsPerSample; - nTotalSampleBits *= m_nOutputs; - FX_SAFE_DWORD nTotalSampleBytes = nTotalSampleBits; - nTotalSampleBytes += 7; - nTotalSampleBytes /= 8; - if (!nTotalSampleBytes.IsValid() || - nTotalSampleBytes.ValueOrDie() == 0 || - nTotalSampleBytes.ValueOrDie() > m_pSampleStream->GetSize()) { - return FALSE; - } - m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs); - for (int i = 0; i < m_nOutputs; i ++) { - if (pDecode) { - m_pDecodeInfo[i].decode_min = pDecode->GetFloat(2 * i); - m_pDecodeInfo[i].decode_max = pDecode->GetFloat(2 * i + 1); - } else { - m_pDecodeInfo[i].decode_min = m_pRanges[i * 2]; - m_pDecodeInfo[i].decode_max = m_pRanges[i * 2 + 1]; - } +FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj) { + if (pObj->GetType() != PDFOBJ_STREAM) { + return FALSE; + } + CPDF_Stream* pStream = (CPDF_Stream*)pObj; + CPDF_Dictionary* pDict = pStream->GetDict(); + CPDF_Array* pSize = pDict->GetArray(FX_BSTRC("Size")); + CPDF_Array* pEncode = pDict->GetArray(FX_BSTRC("Encode")); + CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode")); + m_nBitsPerSample = pDict->GetInteger(FX_BSTRC("BitsPerSample")); + if (m_nBitsPerSample > 32) { + return FALSE; + } + m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample); + m_pSampleStream = new CPDF_StreamAcc; + m_pSampleStream->LoadAllData(pStream, FALSE); + m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs); + FX_SAFE_DWORD nTotalSampleBits = 1; + for (int i = 0; i < m_nInputs; i++) { + m_pEncodeInfo[i].sizes = pSize ? pSize->GetInteger(i) : 0; + if (!pSize && i == 0) { + m_pEncodeInfo[i].sizes = pDict->GetInteger(FX_BSTRC("Size")); + } + nTotalSampleBits *= m_pEncodeInfo[i].sizes; + if (pEncode) { + m_pEncodeInfo[i].encode_min = pEncode->GetFloat(i * 2); + m_pEncodeInfo[i].encode_max = pEncode->GetFloat(i * 2 + 1); + } else { + m_pEncodeInfo[i].encode_min = 0; + if (m_pEncodeInfo[i].sizes == 1) { + m_pEncodeInfo[i].encode_max = 1; + } else { + m_pEncodeInfo[i].encode_max = (FX_FLOAT)m_pEncodeInfo[i].sizes - 1; + } + } + } + nTotalSampleBits *= m_nBitsPerSample; + nTotalSampleBits *= m_nOutputs; + FX_SAFE_DWORD nTotalSampleBytes = nTotalSampleBits; + nTotalSampleBytes += 7; + nTotalSampleBytes /= 8; + if (!nTotalSampleBytes.IsValid() || nTotalSampleBytes.ValueOrDie() == 0 || + nTotalSampleBytes.ValueOrDie() > m_pSampleStream->GetSize()) { + return FALSE; + } + m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs); + for (int i = 0; i < m_nOutputs; i++) { + if (pDecode) { + m_pDecodeInfo[i].decode_min = pDecode->GetFloat(2 * i); + m_pDecodeInfo[i].decode_max = pDecode->GetFloat(2 * i + 1); + } else { + m_pDecodeInfo[i].decode_min = m_pRanges[i * 2]; + m_pDecodeInfo[i].decode_max = m_pRanges[i * 2 + 1]; } - return TRUE; + } + return TRUE; } -FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const -{ - int pos = 0; - CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs); - FX_FLOAT* encoded_input = encoded_input_buf; - CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2); - int* index = int_buf; - int* blocksize = index + m_nInputs; - for (int i = 0; i < m_nInputs; i ++) { - if (i == 0) { - blocksize[i] = 1; - } else { - blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes; - } - encoded_input[i] = PDF_Interpolate(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1], - m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max); - index[i] = (int)encoded_input[i]; - if (index[i] < 0) { - index[i] = 0; - } else if (index[i] > m_pEncodeInfo[i].sizes - 1) { - index[i] = m_pEncodeInfo[i].sizes - 1; +FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const { + int pos = 0; + CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs); + FX_FLOAT* encoded_input = encoded_input_buf; + CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2); + int* index = int_buf; + int* blocksize = index + m_nInputs; + for (int i = 0; i < m_nInputs; i++) { + if (i == 0) { + blocksize[i] = 1; + } else { + blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes; + } + encoded_input[i] = PDF_Interpolate( + inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1], + m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max); + index[i] = (int)encoded_input[i]; + if (index[i] < 0) { + index[i] = 0; + } else if (index[i] > m_pEncodeInfo[i].sizes - 1) { + index[i] = m_pEncodeInfo[i].sizes - 1; + } + pos += index[i] * blocksize[i]; + } + FX_SAFE_INT32 bits_to_output = m_nOutputs; + bits_to_output *= m_nBitsPerSample; + if (!bits_to_output.IsValid()) { + return FALSE; + } + FX_SAFE_INT32 bitpos = pos; + bitpos *= bits_to_output.ValueOrDie(); + if (!bitpos.IsValid()) { + return FALSE; + } + FX_SAFE_INT32 range_check = bitpos; + range_check += bits_to_output.ValueOrDie(); + if (!range_check.IsValid()) { + return FALSE; + } + const uint8_t* pSampleData = m_pSampleStream->GetData(); + if (!pSampleData) { + return FALSE; + } + for (int j = 0; j < m_nOutputs; j++) { + FX_DWORD sample = + _GetBits32(pSampleData, bitpos.ValueOrDie() + j * m_nBitsPerSample, + m_nBitsPerSample); + FX_FLOAT encoded = (FX_FLOAT)sample; + for (int i = 0; i < m_nInputs; i++) { + if (index[i] == m_pEncodeInfo[i].sizes - 1) { + if (index[i] == 0) { + encoded = encoded_input[i] * (FX_FLOAT)sample; } - pos += index[i] * blocksize[i]; - } - FX_SAFE_INT32 bits_to_output = m_nOutputs; - bits_to_output *= m_nBitsPerSample; - if (!bits_to_output.IsValid()) { - return FALSE; - } - FX_SAFE_INT32 bitpos = pos; - bitpos *= bits_to_output.ValueOrDie(); - if (!bitpos.IsValid()) { - return FALSE; - } - FX_SAFE_INT32 range_check = bitpos; - range_check += bits_to_output.ValueOrDie(); - if (!range_check.IsValid()) { - return FALSE; - } - const uint8_t* pSampleData = m_pSampleStream->GetData(); - if (!pSampleData) { - return FALSE; - } - for (int j = 0; j < m_nOutputs; j ++) { - FX_DWORD sample = _GetBits32(pSampleData, bitpos.ValueOrDie() + j * m_nBitsPerSample, m_nBitsPerSample); - FX_FLOAT encoded = (FX_FLOAT)sample; - for (int i = 0; i < m_nInputs; i ++) { - if (index[i] == m_pEncodeInfo[i].sizes - 1) { - if (index[i] == 0) { - encoded = encoded_input[i] * (FX_FLOAT)sample; - } - } else { - FX_SAFE_INT32 bitpos2 = blocksize[i]; - bitpos2 += pos; - bitpos2 *= m_nOutputs; - bitpos2 += j; - bitpos2 *= m_nBitsPerSample; - if (!bitpos2.IsValid()) { - return FALSE; - } - FX_DWORD sample1 = _GetBits32(pSampleData, bitpos2.ValueOrDie(), m_nBitsPerSample); - encoded += (encoded_input[i] - index[i]) * ((FX_FLOAT)sample1 - (FX_FLOAT)sample); - } + } else { + FX_SAFE_INT32 bitpos2 = blocksize[i]; + bitpos2 += pos; + bitpos2 *= m_nOutputs; + bitpos2 += j; + bitpos2 *= m_nBitsPerSample; + if (!bitpos2.IsValid()) { + return FALSE; } - results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax, - m_pDecodeInfo[j].decode_min, m_pDecodeInfo[j].decode_max); - } - return TRUE; + FX_DWORD sample1 = + _GetBits32(pSampleData, bitpos2.ValueOrDie(), m_nBitsPerSample); + encoded += (encoded_input[i] - index[i]) * + ((FX_FLOAT)sample1 - (FX_FLOAT)sample); + } + } + results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax, + m_pDecodeInfo[j].decode_min, + m_pDecodeInfo[j].decode_max); + } + return TRUE; } -class CPDF_PSFunc : public CPDF_Function -{ -public: - virtual FX_BOOL v_Init(CPDF_Object* pObj); - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; - CPDF_PSEngine m_PS; +class CPDF_PSFunc : public CPDF_Function { + public: + virtual FX_BOOL v_Init(CPDF_Object* pObj); + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; + CPDF_PSEngine m_PS; }; -FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj) -{ - CPDF_Stream* pStream = (CPDF_Stream*)pObj; - CPDF_StreamAcc acc; - acc.LoadAllData(pStream, FALSE); - return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize()); +FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj) { + CPDF_Stream* pStream = (CPDF_Stream*)pObj; + CPDF_StreamAcc acc; + acc.LoadAllData(pStream, FALSE); + return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize()); } -FX_BOOL CPDF_PSFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const -{ - CPDF_PSEngine& PS = (CPDF_PSEngine&)m_PS; - PS.Reset(); - int i; - for (i = 0; i < m_nInputs; i ++) { - PS.Push(inputs[i]); - } - PS.Execute(); - if (PS.GetStackSize() < m_nOutputs) { - return FALSE; - } - for (i = 0; i < m_nOutputs; i ++) { - results[m_nOutputs - i - 1] = PS.Pop(); - } - return TRUE; +FX_BOOL CPDF_PSFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const { + CPDF_PSEngine& PS = (CPDF_PSEngine&)m_PS; + PS.Reset(); + int i; + for (i = 0; i < m_nInputs; i++) { + PS.Push(inputs[i]); + } + PS.Execute(); + if (PS.GetStackSize() < m_nOutputs) { + return FALSE; + } + for (i = 0; i < m_nOutputs; i++) { + results[m_nOutputs - i - 1] = PS.Pop(); + } + return TRUE; } -class CPDF_ExpIntFunc : public CPDF_Function -{ -public: - CPDF_ExpIntFunc(); - virtual ~CPDF_ExpIntFunc(); - virtual FX_BOOL v_Init(CPDF_Object* pObj); - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; - FX_FLOAT m_Exponent; - FX_FLOAT* m_pBeginValues; - FX_FLOAT* m_pEndValues; - int m_nOrigOutputs; +class CPDF_ExpIntFunc : public CPDF_Function { + public: + CPDF_ExpIntFunc(); + virtual ~CPDF_ExpIntFunc(); + virtual FX_BOOL v_Init(CPDF_Object* pObj); + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; + FX_FLOAT m_Exponent; + FX_FLOAT* m_pBeginValues; + FX_FLOAT* m_pEndValues; + int m_nOrigOutputs; }; -CPDF_ExpIntFunc::CPDF_ExpIntFunc() -{ - m_pBeginValues = NULL; - m_pEndValues = NULL; +CPDF_ExpIntFunc::CPDF_ExpIntFunc() { + m_pBeginValues = NULL; + m_pEndValues = NULL; } -CPDF_ExpIntFunc::~CPDF_ExpIntFunc() -{ - if (m_pBeginValues) { - FX_Free(m_pBeginValues); - } - if (m_pEndValues) { - FX_Free(m_pEndValues); - } +CPDF_ExpIntFunc::~CPDF_ExpIntFunc() { + if (m_pBeginValues) { + FX_Free(m_pBeginValues); + } + if (m_pEndValues) { + FX_Free(m_pEndValues); + } } -FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj) -{ - CPDF_Dictionary* pDict = pObj->GetDict(); - if (pDict == NULL) { - return FALSE; - } - CPDF_Array* pArray0 = pDict->GetArray(FX_BSTRC("C0")); - if (m_nOutputs == 0) { - m_nOutputs = 1; - if (pArray0) { - m_nOutputs = pArray0->GetCount(); - } - } - CPDF_Array* pArray1 = pDict->GetArray(FX_BSTRC("C1")); - m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); - m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); - for (int i = 0; i < m_nOutputs; i ++) { - m_pBeginValues[i] = pArray0 ? pArray0->GetFloat(i) : 0.0f; - m_pEndValues[i] = pArray1 ? pArray1->GetFloat(i) : 1.0f; - } - m_Exponent = pDict->GetFloat(FX_BSTRC("N")); - m_nOrigOutputs = m_nOutputs; - if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) { - return FALSE; - } - m_nOutputs *= m_nInputs; - return TRUE; +FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj) { + CPDF_Dictionary* pDict = pObj->GetDict(); + if (pDict == NULL) { + return FALSE; + } + CPDF_Array* pArray0 = pDict->GetArray(FX_BSTRC("C0")); + if (m_nOutputs == 0) { + m_nOutputs = 1; + if (pArray0) { + m_nOutputs = pArray0->GetCount(); + } + } + CPDF_Array* pArray1 = pDict->GetArray(FX_BSTRC("C1")); + m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); + m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); + for (int i = 0; i < m_nOutputs; i++) { + m_pBeginValues[i] = pArray0 ? pArray0->GetFloat(i) : 0.0f; + m_pEndValues[i] = pArray1 ? pArray1->GetFloat(i) : 1.0f; + } + m_Exponent = pDict->GetFloat(FX_BSTRC("N")); + m_nOrigOutputs = m_nOutputs; + if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) { + return FALSE; + } + m_nOutputs *= m_nInputs; + return TRUE; } -FX_BOOL CPDF_ExpIntFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const -{ - for (int i = 0; i < m_nInputs; i ++) - for (int j = 0; j < m_nOrigOutputs; j ++) { - results[i * m_nOrigOutputs + j] = m_pBeginValues[j] + (FX_FLOAT)FXSYS_pow(inputs[i], m_Exponent) * - (m_pEndValues[j] - m_pBeginValues[j]); - } - return TRUE; +FX_BOOL CPDF_ExpIntFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const { + for (int i = 0; i < m_nInputs; i++) + for (int j = 0; j < m_nOrigOutputs; j++) { + results[i * m_nOrigOutputs + j] = + m_pBeginValues[j] + + (FX_FLOAT)FXSYS_pow(inputs[i], m_Exponent) * + (m_pEndValues[j] - m_pBeginValues[j]); + } + return TRUE; } -class CPDF_StitchFunc : public CPDF_Function -{ -public: - CPDF_StitchFunc(); - virtual ~CPDF_StitchFunc(); - virtual FX_BOOL v_Init(CPDF_Object* pObj); - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; - int m_nSubs; - CPDF_Function** m_pSubFunctions; - FX_FLOAT* m_pBounds; - FX_FLOAT* m_pEncode; +class CPDF_StitchFunc : public CPDF_Function { + public: + CPDF_StitchFunc(); + virtual ~CPDF_StitchFunc(); + virtual FX_BOOL v_Init(CPDF_Object* pObj); + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const; + int m_nSubs; + CPDF_Function** m_pSubFunctions; + FX_FLOAT* m_pBounds; + FX_FLOAT* m_pEncode; }; -CPDF_StitchFunc::CPDF_StitchFunc() -{ - m_nSubs = 0; - m_pSubFunctions = NULL; - m_pBounds = NULL; - m_pEncode = NULL; +CPDF_StitchFunc::CPDF_StitchFunc() { + m_nSubs = 0; + m_pSubFunctions = NULL; + m_pBounds = NULL; + m_pEncode = NULL; } -CPDF_StitchFunc::~CPDF_StitchFunc() -{ - for (int i = 0; i < m_nSubs; i ++) - delete m_pSubFunctions[i]; - if (m_pSubFunctions) { - FX_Free(m_pSubFunctions); - } - if (m_pBounds) { - FX_Free(m_pBounds); - } - if (m_pEncode) { - FX_Free(m_pEncode); - } +CPDF_StitchFunc::~CPDF_StitchFunc() { + for (int i = 0; i < m_nSubs; i++) + delete m_pSubFunctions[i]; + if (m_pSubFunctions) { + FX_Free(m_pSubFunctions); + } + if (m_pBounds) { + FX_Free(m_pBounds); + } + if (m_pEncode) { + FX_Free(m_pEncode); + } } -FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj) -{ - CPDF_Dictionary* pDict = pObj->GetDict(); - if (pDict == NULL) { - return FALSE; - } - CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Functions")); - if (pArray == NULL) { - return FALSE; - } - m_nSubs = pArray->GetCount(); - if (m_nSubs == 0) { - return FALSE; - } - m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs); - m_nOutputs = 0; - int i; - for (i = 0; i < m_nSubs; i ++) { - CPDF_Object* pSub = pArray->GetElementValue(i); - if (pSub == pObj) { - return FALSE; - } - m_pSubFunctions[i] = CPDF_Function::Load(pSub); - if (m_pSubFunctions[i] == NULL) { - return FALSE; - } - if (m_pSubFunctions[i]->CountOutputs() > m_nOutputs) { - m_nOutputs = m_pSubFunctions[i]->CountOutputs(); - } - } - m_pBounds = FX_Alloc(FX_FLOAT, m_nSubs + 1); - m_pBounds[0] = m_pDomains[0]; - pArray = pDict->GetArray(FX_BSTRC("Bounds")); - if (pArray == NULL) { - return FALSE; - } - for (i = 0; i < m_nSubs - 1; i ++) { - m_pBounds[i + 1] = pArray->GetFloat(i); - } - m_pBounds[m_nSubs] = m_pDomains[1]; - m_pEncode = FX_Alloc2D(FX_FLOAT, m_nSubs, 2); - pArray = pDict->GetArray(FX_BSTRC("Encode")); - if (pArray == NULL) { - return FALSE; - } - for (i = 0; i < m_nSubs * 2; i ++) { - m_pEncode[i] = pArray->GetFloat(i); - } - return TRUE; -} -FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const -{ - FX_FLOAT input = inputs[0]; - int i; - for (i = 0; i < m_nSubs - 1; i ++) - if (input < m_pBounds[i + 1]) { - break; - } +FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj) { + CPDF_Dictionary* pDict = pObj->GetDict(); + if (pDict == NULL) { + return FALSE; + } + CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Functions")); + if (pArray == NULL) { + return FALSE; + } + m_nSubs = pArray->GetCount(); + if (m_nSubs == 0) { + return FALSE; + } + m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs); + m_nOutputs = 0; + int i; + for (i = 0; i < m_nSubs; i++) { + CPDF_Object* pSub = pArray->GetElementValue(i); + if (pSub == pObj) { + return FALSE; + } + m_pSubFunctions[i] = CPDF_Function::Load(pSub); if (m_pSubFunctions[i] == NULL) { - return FALSE; - } - input = PDF_Interpolate(input, m_pBounds[i], m_pBounds[i + 1], m_pEncode[i * 2], m_pEncode[i * 2 + 1]); - int nresults; - m_pSubFunctions[i]->Call(&input, m_nInputs, outputs, nresults); - return TRUE; + return FALSE; + } + if (m_pSubFunctions[i]->CountOutputs() > m_nOutputs) { + m_nOutputs = m_pSubFunctions[i]->CountOutputs(); + } + } + m_pBounds = FX_Alloc(FX_FLOAT, m_nSubs + 1); + m_pBounds[0] = m_pDomains[0]; + pArray = pDict->GetArray(FX_BSTRC("Bounds")); + if (pArray == NULL) { + return FALSE; + } + for (i = 0; i < m_nSubs - 1; i++) { + m_pBounds[i + 1] = pArray->GetFloat(i); + } + m_pBounds[m_nSubs] = m_pDomains[1]; + m_pEncode = FX_Alloc2D(FX_FLOAT, m_nSubs, 2); + pArray = pDict->GetArray(FX_BSTRC("Encode")); + if (pArray == NULL) { + return FALSE; + } + for (i = 0; i < m_nSubs * 2; i++) { + m_pEncode[i] = pArray->GetFloat(i); + } + return TRUE; } -CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj) -{ - if (pFuncObj == NULL) { - return NULL; - } - CPDF_Function* pFunc = NULL; - int type; - if (pFuncObj->GetType() == PDFOBJ_STREAM) { - type = ((CPDF_Stream*)pFuncObj)->GetDict()->GetInteger(FX_BSTRC("FunctionType")); - } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) { - type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType")); - } else { - return NULL; - } - if (type == 0) { - pFunc = new CPDF_SampledFunc; - } else if (type == 2) { - pFunc = new CPDF_ExpIntFunc; - } else if (type == 3) { - pFunc = new CPDF_StitchFunc; - } else if (type == 4) { - pFunc = new CPDF_PSFunc; - } else { - return NULL; - } - if (!pFunc->Init(pFuncObj)) { - delete pFunc; - return NULL; - } - return pFunc; +FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const { + FX_FLOAT input = inputs[0]; + int i; + for (i = 0; i < m_nSubs - 1; i++) + if (input < m_pBounds[i + 1]) { + break; + } + if (m_pSubFunctions[i] == NULL) { + return FALSE; + } + input = PDF_Interpolate(input, m_pBounds[i], m_pBounds[i + 1], + m_pEncode[i * 2], m_pEncode[i * 2 + 1]); + int nresults; + m_pSubFunctions[i]->Call(&input, m_nInputs, outputs, nresults); + return TRUE; +} +CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj) { + if (pFuncObj == NULL) { + return NULL; + } + CPDF_Function* pFunc = NULL; + int type; + if (pFuncObj->GetType() == PDFOBJ_STREAM) { + type = ((CPDF_Stream*)pFuncObj) + ->GetDict() + ->GetInteger(FX_BSTRC("FunctionType")); + } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) { + type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType")); + } else { + return NULL; + } + if (type == 0) { + pFunc = new CPDF_SampledFunc; + } else if (type == 2) { + pFunc = new CPDF_ExpIntFunc; + } else if (type == 3) { + pFunc = new CPDF_StitchFunc; + } else if (type == 4) { + pFunc = new CPDF_PSFunc; + } else { + return NULL; + } + if (!pFunc->Init(pFuncObj)) { + delete pFunc; + return NULL; + } + return pFunc; +} +CPDF_Function::CPDF_Function() { + m_pDomains = NULL; + m_pRanges = NULL; } -CPDF_Function::CPDF_Function() -{ +CPDF_Function::~CPDF_Function() { + if (m_pDomains) { + FX_Free(m_pDomains); m_pDomains = NULL; + } + if (m_pRanges) { + FX_Free(m_pRanges); m_pRanges = NULL; + } } -CPDF_Function::~CPDF_Function() -{ - if (m_pDomains) { - FX_Free(m_pDomains); - m_pDomains = NULL; - } +FX_BOOL CPDF_Function::Init(CPDF_Object* pObj) { + CPDF_Dictionary* pDict; + if (pObj->GetType() == PDFOBJ_STREAM) { + pDict = ((CPDF_Stream*)pObj)->GetDict(); + } else { + pDict = (CPDF_Dictionary*)pObj; + } + CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain")); + if (pDomains == NULL) { + return FALSE; + } + m_nInputs = pDomains->GetCount() / 2; + if (m_nInputs == 0) { + return FALSE; + } + m_pDomains = FX_Alloc2D(FX_FLOAT, m_nInputs, 2); + for (int i = 0; i < m_nInputs * 2; i++) { + m_pDomains[i] = pDomains->GetFloat(i); + } + CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range")); + m_nOutputs = 0; + if (pRanges) { + m_nOutputs = pRanges->GetCount() / 2; + m_pRanges = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); + for (int i = 0; i < m_nOutputs * 2; i++) { + m_pRanges[i] = pRanges->GetFloat(i); + } + } + FX_DWORD old_outputs = m_nOutputs; + if (!v_Init(pObj)) { + return FALSE; + } + if (m_pRanges && m_nOutputs > (int)old_outputs) { + m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2); if (m_pRanges) { - FX_Free(m_pRanges); - m_pRanges = NULL; - } -} -FX_BOOL CPDF_Function::Init(CPDF_Object* pObj) -{ - CPDF_Dictionary* pDict; - if (pObj->GetType() == PDFOBJ_STREAM) { - pDict = ((CPDF_Stream*)pObj)->GetDict(); - } else { - pDict = (CPDF_Dictionary*)pObj; - } - CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain")); - if (pDomains == NULL) { - return FALSE; - } - m_nInputs = pDomains->GetCount() / 2; - if (m_nInputs == 0) { - return FALSE; - } - m_pDomains = FX_Alloc2D(FX_FLOAT, m_nInputs, 2); - for (int i = 0; i < m_nInputs * 2; i ++) { - m_pDomains[i] = pDomains->GetFloat(i); - } - CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range")); - m_nOutputs = 0; - if (pRanges) { - m_nOutputs = pRanges->GetCount() / 2; - m_pRanges = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2); - for (int i = 0; i < m_nOutputs * 2; i ++) { - m_pRanges[i] = pRanges->GetFloat(i); - } - } - FX_DWORD old_outputs = m_nOutputs; - if (!v_Init(pObj)) { - return FALSE; - } - if (m_pRanges && m_nOutputs > (int)old_outputs) { - m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2); - if (m_pRanges) { - FXSYS_memset(m_pRanges + (old_outputs * 2), 0, sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2); - } + FXSYS_memset(m_pRanges + (old_outputs * 2), 0, + sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2); } - return TRUE; + } + return TRUE; } -FX_BOOL CPDF_Function::Call(FX_FLOAT* inputs, int ninputs, FX_FLOAT* results, int& nresults) const -{ - if (m_nInputs != ninputs) { - return FALSE; - } - nresults = m_nOutputs; - for (int i = 0; i < m_nInputs; i ++) { - if (inputs[i] < m_pDomains[i * 2]) { - inputs[i] = m_pDomains[i * 2]; - } else if (inputs[i] > m_pDomains[i * 2 + 1]) { - inputs[i] = m_pDomains[i * 2] + 1; - } - } - v_Call(inputs, results); - if (m_pRanges) { - for (int i = 0; i < m_nOutputs; i ++) { - if (results[i] < m_pRanges[i * 2]) { - results[i] = m_pRanges[i * 2]; - } else if (results[i] > m_pRanges[i * 2 + 1]) { - results[i] = m_pRanges[i * 2 + 1]; - } - } - } - return TRUE; +FX_BOOL CPDF_Function::Call(FX_FLOAT* inputs, + int ninputs, + FX_FLOAT* results, + int& nresults) const { + if (m_nInputs != ninputs) { + return FALSE; + } + nresults = m_nOutputs; + for (int i = 0; i < m_nInputs; i++) { + if (inputs[i] < m_pDomains[i * 2]) { + inputs[i] = m_pDomains[i * 2]; + } else if (inputs[i] > m_pDomains[i * 2 + 1]) { + inputs[i] = m_pDomains[i * 2] + 1; + } + } + v_Call(inputs, results); + if (m_pRanges) { + for (int i = 0; i < m_nOutputs; i++) { + if (results[i] < m_pRanges[i * 2]) { + results[i] = m_pRanges[i * 2]; + } else if (results[i] > m_pRanges[i * 2 + 1]) { + results[i] = m_pRanges[i * 2 + 1]; + } + } + } + return TRUE; } |